<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

    <form action="/day13/requestDemo1" method="get">
        <input name="username">
        <input type="submit" value="提交">
    </form>
<hr>
<a href="/day13/RequestDemo4">demo4</a>

</body>
</html>